Remove rake dependency from zlib product

Author: kateinoigakukun

lib/ruby_wasm/build_system/product/crossruby.rb

@@ -130,7 +130,7 @@ def build_exts
     def build(remake: false, reconfigure: false)
       FileUtils.mkdir_p dest_dir
       FileUtils.mkdir_p build_dir
-      [@source, @baseruby, @libyaml].each(&:build)
+      [@source, @baseruby, @libyaml, @zlib].each(&:build)
       dep_tasks.each(&:invoke)
       configure(reconfigure: reconfigure)
       build_exts
@@ -164,7 +164,6 @@ def with_libyaml(libyaml)
 
     def with_zlib(zlib)
       @zlib = zlib
-      @dep_tasks << zlib.install_task
     end
 
     def with_wasi_vfs(wasi_vfs)

lib/ruby_wasm/build_system/product/zlib.rb

@@ -1,9 +1,8 @@
-require "rake"
 require_relative "./product"
 
 module RubyWasm
   class ZlibProduct < AutoconfProduct
-    attr_reader :target, :install_task
+    attr_reader :target
 
     ZLIB_VERSION = "1.2.13"
 
@@ -29,21 +28,18 @@ def name
       product_build_dir
     end
 
-    def define_task
-      @install_task =
-        task name => [@toolchain.define_task] do
-          next if Dir.exist?(install_root)
+    def build
+      return if Dir.exist?(install_root)
 
-          mkdir_p File.dirname(product_build_dir)
-          rm_rf product_build_dir
+      FileUtils.mkdir_p File.dirname(product_build_dir)
+      FileUtils.rm_rf product_build_dir
 
-          sh "curl -L https://zlib.net/zlib-#{ZLIB_VERSION}.tar.gz | tar xz",
+      system "curl -L https://zlib.net/zlib-#{ZLIB_VERSION}.tar.gz | tar xz",
              chdir: File.dirname(product_build_dir)
 
-          sh "#{tools_args.join(" ")} ./configure --static",
+      system "#{tools_args.join(" ")} ./configure --static",
              chdir: product_build_dir
-          sh "make install DESTDIR=#{destdir}", chdir: product_build_dir
-        end
+      system "make install DESTDIR=#{destdir}", chdir: product_build_dir
     end
   end
 end

lib/ruby_wasm/rake_task.rb

@@ -44,8 +44,7 @@ def initialize(
       add_product (toolchain || RubyWasm::Toolchain.get(target, @build_dir))
 
     @libyaml = RubyWasm::LibYAMLProduct.new(@build_dir, @target, @toolchain)
-    @zlib =
-      add_product RubyWasm::ZlibProduct.new(@build_dir, @target, @toolchain)
+    @zlib = RubyWasm::ZlibProduct.new(@build_dir, @target, @toolchain)
     @wasi_vfs = add_product RubyWasm::WasiVfsProduct.new(@build_dir)
     @source = RubyWasm::BuildSource.new(src, @build_dir)
     @baseruby = RubyWasm::BaseRubyProduct.new(@build_dir, @source)